Quinn, Rita M (Sullivan) of Arlington passed away peacefully on October 31st, 2017. Rita graduated from UMass-Boston and Suffolk Law School and was an attorney for the Department of Defense. Beloved wife of the late Bob Quinn. Devoted mother of Deborah Benassi, Susan Rosie, Michael Quinn, Maureen Quinn, Bob Quinn, and Stephen Quinn. Also survived by 7 grandchildren and 1 great grandchild. Also survived by her sister Joanne Sullivan and many nieces and nephews. Sister of the late Claire Donahue, Margaret Kelly, Katherine (Dutchy) Argus and her late brother Joseph (Dukey) Sullivan. Relatives and friends are respectfully invited to attend a visitation on Saturday from 8:30-9:30 am at the Keefe Funeral Home, 5 Chestnut Street, Arlington, followed by a Funeral Mass at 10 am in St. Agnes Church, 51 Medford St, Arlington, MA 02474. For online condolence visit www.keefefuneralhome.com